Science: Insulation

insulation

Insulation
insulation

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COLD
ENERGY
FIRE
HEAT
HOT
INSULATOR
STOVE
SUN
TRANSFER
R T P Z Q D Z B L
T O R H A S Q Y J
B B T A Q N E G T
A M M A N U R R T
C N H L L S I E O
Y D J S C U F N H
P A E V O T S E P
Z Z N Q L C A N R
Y G Y C D T G E I
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